diff --git a/akregator/src/pageviewer.cpp b/akregator/src/pageviewer.cpp
index 2adb03c7..d7238d90 100644
--- a/akregator/src/pageviewer.cpp
+++ b/akregator/src/pageviewer.cpp
@@ -395,7 +395,7 @@ void PageViewer::slotPaletteOrFontChanged()
         return;
     TQUObject o[1];
 
-    obj->qt_invoke(id, o);
+    obj->tqt_invoke(id, o);
     
     // this hack is necessary since the part looks for []HTML Settings] in
     // KGlobal::config() by default, which is wrong when running in Kontact
diff --git a/akregator/src/tagaction.cpp b/akregator/src/tagaction.cpp
index ec05f57b..3fe5c2fb 100644
--- a/akregator/src/tagaction.cpp
+++ b/akregator/src/tagaction.cpp
@@ -69,7 +69,7 @@ void TagAction::unplug(TQWidget* widget)
 {
     KToggleAction::unplug(widget);
 
-    TQPopupMenu* popup = ::qt_cast<TQPopupMenu *>(widget);
+    TQPopupMenu* popup = ::tqt_cast<TQPopupMenu *>(widget);
     if (popup)
     {
         d->idToPopup.remove(d->popupToId[popup]);
@@ -80,7 +80,7 @@ void TagAction::unplug(TQWidget* widget)
 /*
 int TagAction::plug(TQWidget* widget, int index)
 {
-    TQPopupMenu* popup = ::qt_cast<TQPopupMenu *>( widget );
+    TQPopupMenu* popup = ::tqt_cast<TQPopupMenu *>( widget );
     if (!popup)
     {
         kdWarning() << "Can not plug KToggleAction in " << widget->className() << endl;
diff --git a/kmail/aboutdata.cpp b/kmail/aboutdata.cpp
index 2ed80f7b..e4a07bea 100644
--- a/kmail/aboutdata.cpp
+++ b/kmail/aboutdata.cpp
@@ -184,7 +184,7 @@ namespace KMail {
     { "Danny Kukawka", 0, 0, 0 }, // DCOP enhancements for better message importing
     { "Roger Larsson", 0, 0, 0 }, // add name of checked account to status bar message
     { "Jeffrey McGee", 0, 0, 0 }, // fix for bug:64251
-    { "Dirk M\303\274ller", 0, 0, 0 }, // KURL() fixes and qt_cast optimizations
+    { "Dirk M\303\274ller", 0, 0, 0 }, // KURL() fixes and tqt_cast optimizations
     { "OpenUsability", I18N_NOOP("Usability tests and improvements"), 0, "http://www.openusability.org" },
     { "Mario Teijeiro Otero", 0, 0, 0 }, // various vendor annotations fixes
     { "Simon Perreault", 0, 0, 0 }, // make the composer remember its "Use Fixed Font" setting (bug 49481)
diff --git a/kmail/regexplineedit.cpp b/kmail/regexplineedit.cpp
index 0da12289..3d292182 100644
--- a/kmail/regexplineedit.cpp
+++ b/kmail/regexplineedit.cpp
@@ -123,7 +123,7 @@ namespace KMail {
       mRegExpEditDialog = KParts::ComponentFactory::createInstanceFromQuery<TQDialog>( "KRegExpEditor/KRegExpEditor", TQString(), TQT_TQOBJECT(this) );
 
     KRegExpEditorInterface *iface =
-      static_cast<KRegExpEditorInterface *>( mRegExpEditDialog->qt_cast( "KRegExpEditorInterface" ) );
+      static_cast<KRegExpEditorInterface *>( mRegExpEditDialog->tqt_cast( "KRegExpEditorInterface" ) );
     if( iface ) {
       iface->setRegExp( mLineEdit->text() );
       if( mRegExpEditDialog->exec() == TQDialog::Accepted )
diff --git a/kresources/lib/kcal_resourcegroupwarebase.cpp b/kresources/lib/kcal_resourcegroupwarebase.cpp
index bae91bf6..d52e0eab 100644
--- a/kresources/lib/kcal_resourcegroupwarebase.cpp
+++ b/kresources/lib/kcal_resourcegroupwarebase.cpp
@@ -211,16 +211,16 @@ bool ResourceGroupwareBase::doOpen()
 //     Copyright (C) 1998 Matthias Ettrich (ettrich@kde.org)
 //     Copyright (C) 1999 David Faure (faure@kde.org)
 // If a troll sees this, he kills me
-void qt_enter_modal( TQWidget *widget );
-void qt_leave_modal( TQWidget *widget );
+void tqt_enter_modal( TQWidget *widget );
+void tqt_leave_modal( TQWidget *widget );
 
 void ResourceGroupwareBase::enter_loop()
 {
   TQWidget dummy(0,0,WType_Dialog | WShowModal);
   dummy.setFocusPolicy( TQ_NoFocus );
-  qt_enter_modal(&dummy);
+  tqt_enter_modal(&dummy);
   tqApp->enter_loop();
-  qt_leave_modal(&dummy);
+  tqt_leave_modal(&dummy);
 }
 // END:COPIED
 
diff --git a/libtdepim/kscoringeditor.cpp b/libtdepim/kscoringeditor.cpp
index 18d3a029..95c82035 100644
--- a/libtdepim/kscoringeditor.cpp
+++ b/libtdepim/kscoringeditor.cpp
@@ -137,7 +137,7 @@ void SingleConditionWidget::showRegExpDialog()
 {
   TQDialog *editorDialog = KParts::ComponentFactory::createInstanceFromQuery<TQDialog>( "KRegExpEditor/KRegExpEditor" );
   if ( editorDialog ) {
-    KRegExpEditorInterface *editor = static_cast<KRegExpEditorInterface *>( editorDialog->qt_cast( "KRegExpEditorInterface" ) );
+    KRegExpEditorInterface *editor = static_cast<KRegExpEditorInterface *>( editorDialog->tqt_cast( "KRegExpEditorInterface" ) );
     Q_ASSERT( editor ); // This should not fail!
     editor->setRegExp( expr->text() );
     editorDialog->exec();